Starting from Engine Level screen, click on the engine serial number to bring up the engine details screen.  On the screen, click on Critical Item tab.  All the Critical Item Service Bulletins that applicable to this engine are listed. 

The Search function will help you find the Service Bulletin quickly.  You can enter part of the Service Bulletin Number to start the search.  Please add an * (asterisk) for the leading characters omitted like it is shown on the below screenshot.

On this screen, you can sort and filter the list, search the Service Bulletin, and update the compliance status.

Alternatively, you can also start from the Fleet Level Compliance screen, click on the Service Bulletin to go to the Fleet Compliance Summary screen.  On Fleet Compliance Summary screen, search for the engine serial number.  Once the engine is found, click on engine serial number to navigate to the engine details screen on which you can see all the Critical Item Service Bulletins applied to this engine.